DENVER, April 17, 2012 /PRNewswire/ -- Despite a shopping list being a tool to stay on budget and eliminate unnecessary purchases, research shows that nine out of ten shoppers still buy items not on their list. This was revealed in The Checkout, an ongoing shopper behavior study conducted by The Integer Group® and M/A/R/C Research.

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Of these shoppers who purchase off-list items, 66 percent say the reason was a sale or promotion, 30 percent say they found a coupon, and 23 percent say they simply wanted to pamper themselves.

"Our data shows that 61 percent of off-list shoppers purchase an additional 1-3 items," said Craig Elston, senior vice president, Integer™. "This shows that if you reach a particular shopper at the right moment with the right message, for example—using in-store signage to play into their desire to pamper themselves— it can end with that item being added to their basket."

When it comes to list-making, 61 percent of shoppers are influenced primarily by the brand of product they currently use, 57 percent report that coupons influence their list, and 56 percent say store ads or circulars influence their list. However, when shoppers are making lists, they typically do not write down brand names of a product, they write the product type. This means that although they may have their brand of choice in mind, there are factors that can influence a shopper to select one brand of a product over the other, telling marketers they need not worry that a shopping list excludes certain brands or creates a barrier to purchase.

Data for The Checkout comes from a national survey conducted by Integer and M/A/R/C where consumers are asked about their shopping attitudes, shopping behaviors, and economic outlook. Topics range from criteria shoppers use to select retailers, to which in-store stimulus is most likely to drive purchase, to factors that might lead shoppers to leave an aisle empty-handed. The Checkout is available for download at Integer's blog www.ShopperCulture.com.

About The Integer Group
The Integer Group (www.integer.com) is one of the world's largest promotional, retail, and shopper marketing agencies, and a key member of Omnicom Group Inc. Integer lives at the Intersection of Branding and Selling® and creates strategic marketing solutions for clients in categories that include retail, beverage, packaged goods, telecommunications, home and shelter, automotive aftermarket, and power sports. Integer has more than 1,200 employees working in U.S. locations as well as international offices in Africa, Asia, Australia, Europe, the Middle East, North and South America. Join the conversation on shopping culture and brand strategy at www.shopperculture.com.

About Omnicom
Omnicom Group Inc. (NYSE :  OMC) (www.omnicomgroup.com) is a leading global marketing and corporate communications company. Omnicom's branded networks and numerous specialty firms provide advertising, strategic media planning and buying, digital and interactive marketing, direct and promotional marketing, public relations, and other specialty communications services to over 5,000 clients in more than 100 countries.

SOURCE The Integer Group